Hardware and Configuration

Here is the main hardware I utilize for Astronomy.

 

 

Telescope Scopes

 

Item

Manufactor/Model

Specs

Comments

Optical Tube Assembly (OTA)

Celestron C-11 EdgeHD

Type: Schmidt-Cassegrain

Aperture: 279.4 mm (11")

Focal Length: 2,800 mm (110")

Focal Ratio: f/10

Secondary Mirror Obs: 95mm = 12%

Weight: 28 lbs

Backfocus: 133.35mm (5.25")

 

Manual

White Paper

 

Guide/Finder Scope

Takhashi FS-60C

Type: Reflector, Fluorite Doublet Apochromat

Part Number: TKA20582

Aperture: 60mm

Resolution: 1.93"

Focal Length: 355 mm

Focal Ratio: f/5.9

Tube Weight: 1.4 kg

Tube Diameter: 80 mm

SN: SV05131

Specifications

Photo/Visual System Chart

 

Currently used as finder/guide scope

Telescope

Questar 3.5" Duplex

Type: Maksutov Cassegrain Catadioptric

Aperture: 89mm (3.5")

Focal Length: 1300mm

Focal Ratio: f/14.4

 

 

 

Solar Scope

Lunt LS60THa Solar Scope

Type: Hydrogen-Alpha Solar Telescope

Aperture: 60mm

Focal Length: 500mm

Focal Ratio: f/8.3

bandpass: <20.0 Angstroms @ 656 nm

Weight: 17 lbs

 

Manual

 

 

Guide Scope

TPO UltraWide 180 f/4.5 Astrophotography Lens & Guide Scope

Type:

Aperture: 40mm

Weight: 395g

Back Focus: 55mm

42mm rear threads

With Reducer

  • Focal Length: 180mm

  • Focal Ratio: f/4.5

  • BackFocus:55 mm

Without Reducer

  • Focal Length: 220mm

  • Focal Ratio: f/5.5

  • BackFocus:99 mm

List Price: $399

- Connection Diagram

Using as guidescope

 

 

C-11 Accessories

Item

Manufactor/Model

Specs

Comments

Computer

Primalucelab

EAGLE4 S

 

 

  • Dual Core i3 processor (3.9 GHz)

  • 8GB Fast Memory (RAM)

  • 240 GB SSD

  • Tunderbolt 3 port

  • Sky Quality Meter
  • Windows 10 Enterprise
  • GPS
  • WIFI
  • 9 USB Ports (3 Type A, 1 Type C,  5 USB2)

 

Cost: $1,595

Purchased: 2021-02-12

 

12.8v 14A Adapter

Cost $185.00

Purchased 2021-02-12

 

 

Manual

PrimAluce Downloads Page

Video Description

 

EAGLE that combines, in one device, a powerful computer with Windows 10 Enterprise operative system to the most advanced power management system for telescopes to allow you to control any device (camera, mount, astrophotography accessories, etc.), also remotely and with any astrophotography software.

Mount

iOptron CEM60EC

Type: Center Balanced Equatorial Mount (CEM)

Payload: 60lbs

Controller: Go2Nova 8407+

Mount Weight: 27 lbs

Resolution: 0.06 arc seconds

GPS: Internal 32-channel GPS

Autoguide Port: ST-4

 

List Price: $3,500

 

Quick Start Guide

Manual

CEM60 RA Worm Replacement

CEM60EC High Precision Optical Encoder Wheel Cleaning

 

Mount

LOSMANDY GllG

 

Model: G11G

Type: Equatorial Mount

Payload: 60 lbs

Controller: Gemini System V2

Mount Weight: 33lbs

 

List Price: $???

 

One piece worm (OPW) and gearboxes

Sales Info

Parts Diagram

User Manual

Using the Polar Finder Scope

RA Counterweight Balance

LOSMANDY YouTube Channel

LOSMANDY Technical Support Page

LOSMANDY Store

Resources

- Wilmslow Astro Losmandy G11 & Gemini

Extras Include:

Controller

Gemini 2

 

Model: Gemini 2

Software Version:

Upgrade Cost: $1,192.29

Gemini-2 Quick Start Guide

Gemini-2 Videos page

Losmandy Gemini Instructions Videos page

LOSMANDY Store

Gemini-II User Group

 

Extras Included

Controller

GEMINI I V2

 

 

Model: I Version 2

Software Version: Level 4 Version 1.05 (04/2007)

 

 

GPS-NX02 receiver

List Price: $129

Gemini Level 4 Users Manual

STAR GPS Instructions

Determine Com Port of USB device

 

Pier

iOptrion Tri-Pier

 

 

Max Payload: 220lbs

Weight: 25.8 lbs

 

List Price: $598

 

Instructions

 

AutoFocuser

Starizona  MicroTouch

 

USB Driver: ASCOM Platform

Interface: USB 2.0

List Price: $500

 

Manual

FocusMax Star List

Used for focus on OTA

HyperStar

Starizona HyperStar 11 v4

Focal Length: 540mm

Focal Ratio: f/1.9

Image Circle: 35mm

Mechanical Backfocus:

Compression Factor:

Weight:

List Price: $1,299

 

Manual

 

HyperStar Filter Slider

Starizona HyperStar Filter Slider

Filter Slider for Starizona HyperStar 11 v4

  • Holds standard 2" mounted filters (M48 thread)*

  • Diameter: 3.10" (78.8mm)

  • Thickness: 0.69" (17.5mm)

  • Telescope Side Thread: Female M48

  • Camera Side Thread: Male T-Thread (M42)

  • Weight: 5 oz. (140g)

  • List Price: $129.00

 

EdgeHD Focal Reducer/Corrector

 

Celestron C-11 EdgeHD 0.7 Reducer

Focal Length: 1960mm

Focal Ratio: f/7

Image Circle: 42mm

Mechanical Backfocus: 146mm (5.75")

Compression Factor: 0.7x

Weight: 3.25 lbs

List Price: $629.95

 

Manual

 

TeleVue Powermates Barlow

Powermate 2x Barlow

 

List Price: $294

 

Magnification Chart

These Powermates™ are a better choice for 2" diagonals than Barlows, since they are nearly Parfocal. They are threaded for 48mm filters and their performance is excellent with every 1¼" and 2" eyepiece we make (yes, even the 31mm Nagler Type 5!). Both the 2" eyepiece holder and the special 2" flat top adapter use our brass clamp rings for secure operation. And, it also has a very unique feature: you can unscrew the 2" eyepiece housing and screw on a special T-ring adapter for solid, compact attachment of CCD or camera equipment.

TeleVue Powermates Barlow

 

Powermate 4x Barlow

 

List Price: $300

 

Magnification Chart

These Powermates™ are a better choice for 2" diagonals than Barlows, since they are nearly Parfocal. They are threaded for 48mm filters and their performance is excellent with every 1¼" and 2" eyepiece we make (yes, even the 31mm Nagler Type 5!). Both the 2" eyepiece holder and the special 2" flat top adapter use our brass clamp rings for secure operation. And, it also has a very unique feature: you can unscrew the 2" eyepiece housing and screw on a special T-ring adapter for solid, compact attachment of CCD or camera equipment.

 

 

Cameras

Item

Manufactor/Model

Specs

Comments

Polar Alignment Aid

QHYCCD Polemaster

QHYCCD Polemaster

 

Resolution: 30 arc seconds

Possible Alignment Accuracy: 30 arc seconds

Field of View: 11deg x 8deg

List Price: $240

 

 

 

 

Manual

 

Camera

ZWO ASI6200 Pro Mono

 

ASI 6200 Pro Mono Camera

 

Read Noise: 1.2e- to 3.5e-

Pixel Size: 3.76 um

Well Capacity: 51.4ke-

Quantum  Efficiency (QE): 91%

Bit Depth: 16 bit

Dynamic Range: 14 stops

Sensor: Sony  IMX455 Full-Frame Format

Dark Current: 0.0003e-/p/s @ 0C

Window: AR mulit-layer

List Price: $3,500

Back Focus: 55mm

 

Manual

ASI Cooled Camera Quick Guide

ASI Cameras Software Manual

 

Additional Resources

 

Specifications Chart

Performance Charts

Whats in the box

Backfocus Solutions Chart

Camera Lens Connections Diagram

Dark Current Vs Temp Diagram

Mechanical Diagram

 

 

Camera

QHYCCD QHY128c

QHY128c Camera

 

Read Noise: 1e- to 4e-

Pixel Size: 5.97 um

Well Capacity: 74ke-

Bit Depth: 14 bit

Dynamic Range: 14 stops

Sensor: Sony  Exmor IMX1238 Full-Frame Format

Dark Current: 0.0006e-/p/s @ -15C

Window: AR mulit-layer

List Price: $3,500

 

Manual

FAQ

Default Gain Settings

Setting GAIN and OFFSET for Astrophotography

Connection diagram with Off Axis Guider

 

 

 

Camera

ZWO 174MM Mini (Mono)

ZWO 174MM Mini (Mono)

 

 

Resolution: 2.3 Mega Pixels (1736 x 1216)

Read Noise: 3.5e

Pixel Size: 5.86 um

Sensor Dimensions: 11.3 x 7.1mm

Quantum Efficency: peak at 77%

Bit Depth: 12 bit

Sensor: 1/1.2" CMOS IMX174LLJ/IMX174LQJ

Weight: 140g

List Price: $500

 

Quick Guide

Manual

Software Manual

 

Used mostly for Guild Camera, but should work fine for solar and moon imaging.

Camera

ZWO ASI120MC-S

ZWO ASI120MC-S

Color Camera

 

Resolution: 1.2 Mega Pixels (1280x960)

Bayer Pattern: GRBG

Read Noise: 4.0e

Pixel Size: 3.75 um

Sensor Dimensions: 4.8 x 3.6mm

Quantum Efficency: peak at 75%

Bit Depth: 12 bit

Sensor: AR0130CS

Weight: 100g

List Price: $149

 

Quick Guide

Manual

Software Manual

Used mostly for Solar System Objects Imaging

Camera

 

ZWO ASI120MM-S

ZWO ASI120MC-S

Mono Camera

 

Resolution: 1.2 Mega Pixels (1280x960)

Bayer Pattern: GRBG

Read Noise: 4.0e

Pixel Size: 3.75 um

Sensor Dimensions: 4.8 x 3.6mm

Quantum Efficency: peak at 80%

Bit Depth: 12 bit

Sensor: AR0130CS

Weight: 100g

List Price: $179

 

Quick Guide

Manual

Software Manual

Used mostly for Solar System Objects Imaging

 

Lunt and Questar Accessories

Item

Manufactor/Model

Specs

Comments

Mount

iOptron MiniTower Pro

 

Mount: AltAzimuth

Payload Limit: 33lbs Primary, 10lbs Secondary

Weight with tripod: 48lbs

GPS: 32 channels

 

List Price: N/A

 

Quick Start Guide

Manual

Mainly used for Questar and Lunt telescopes.

Pier

Tri-Stand

 

 

P/N: 19338

Weight: 25lbs

 

Manual

Mount for Questar Telescope

Focuser

Primalucelab

SESTO SENSO 2

Sesto Senso 2 Robotic Focusing Motor

 

Purchase: 2021-02-07

Price: $299

 

Manual

PrimAluce Downloads Page

Video Description

SESTO SENSO 2 - The highly accurate, advanced, vibration free, robotic focusing motor for your telescope!

 

Resolution: 0.7 um

Weight: 380 grams

Focuser

Primalucelab

ESATTO 2"

ESATTO 2" robotic microfocuser

 

Purchase: 2021-03-29

Price: $645

  • Thickness: 67mm

  • Tube Travel: 15mm

  • Load Capacity: 11lbs

  • Resolution: 0.04 microns per step

 

Manual

PrimAluce Downloads Page

Video Description

Crayford Focuser

 

 

 

 

Filters

Item

Manufactor/Model

Specs

Comments

Optolong

 

L-eXtreme

L-eXtreme dual band filter

Primary Usage: Astrophotography Deep SKy

Filter Size: 2" Mounted

  • FilterType: L-eXtreme Dual Band Filter

  • Manufacturer Optolong

  • Blocking Depth: Light pollution line blocking >99%

  • Wavelengths H-alpha, O III

  • - Wavelength Chart

The L-eXtreme filter is dual band that passes Ha and OIII emission lines.

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is also more suited for fast systems. The convenience and cost effectiveness of this filter allows amateurs to image a rich emission nebulas, even in bright, light pollution skies. Optolong believes the design of L-eXtreme filter would be better choice for fast systems in competitive price. It isolates the H-Alpha, and Oxygen III nebula emission lines so that the contrast and signal-to-noise ratio between nebulae were maximized. For people who is living in very light polluted areas, or when the moon is out, the L-eXtreme will be a good filter.

Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb, Ha, and OIII), the L-eXtreme filter is dual band that passes Ha and OIII emission lines.The advantage of the L-eXtreme filter is that there is no transmission between the H-beta and OIII lines, as there is no nebula emission lines there. In this case, it isn't letting light pollution come through so that maximize nebulas signal and make the sky background darker while imaging. The L-eXtreme filter should better isolate the emission lines only and better protect from light pollution.

Hydrogen is the largest, the most primitive, the simplest, and the oldest element in the universe. Scientists consider that Hydrogen amounts to more than 90% of visible substance in space. Our sun is 5 billion years old, but so far hydrogen is still the key matter of nuclear fusion. While the sulfur element does not have much scientific significance, so keeping H and O is meaning for exploration of life.

Therefore, we highlight H-a, H-b, O3 and O2, and reduce the signal of sulfur.

IDAS

LPS-D2

Primary Usage: Astrophotography Deep Broadand Photography

Filter Size: 2" Mounted

  • FilterType: Triband

  • Manufacturer OPT

  • Wavelengths H alpha/656.3/3nm

  • Wavelengths OIII/H beta/ Center 493/18nm

- Wavelength Chart

 

Improves colour balance with colour cameras and also uniquely provides LED light pollution suppression.

Following from the highly successful IDAS P2 and D1 LPS filters, the D2 has been optimised for one-shot colour and modified DSLR cameras. The key concept of the D2 LPS is to reduce the reddish background cast whilst blocking as much light pollution as possible improving upon the already good colour balance of the P2 LPS and in addition block high/low sodium and white LED light pollution.

Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae (see filter plots).

Unlike other light pollution suppression filters, IDAS filters are specifically designed for balanced colour transmission using the IDAS unique Multi-Bandpass Technology (MBT) process. The balanced transmission allows colour photographs to be taken with minimal colour cast to broadband emission objects such as stars, galaxies and globular clusters.

IDAS LPS filters utilize the unique IDAS Ion Gun Assisted Deposition (IGAD) coating technology for superior coating durability (quartz hardness) and safer cleaning. IGAD coatings also improve temperature and humidity stability, reducing spectrum shifts down to +/-1nm from the +/-3 or 4nm shift of standard coatings.

CCD imaging can also benefit, because although CCD imagers can already shoot through light pollution to some extent, including an LPS filter to the setup gives an added (signal-to-noise) edge. The filter also blocks infrared so a separate IR blocking filter is not needed.

Note, however, that light pollution suppression filters are not a perfect substitute for dark skies.

D2 LPS filters are initially available in 2" threaded cells and photographic filter size 52mm.

OPT

 

Triad Tri-Band Narrowband Filter

OPT Tirad

 

Primary Usage: Astrophotography Deep Sky Nebula

Primary Usage:

  • Visual: Moon, Planets, Deepsky

  • Astrophotography: Planets, Moon

- Wavelength Chart

 

List Price: $775

 

Dealing with light pollution is the biggest challenge for astrophotographers. Until now taking narrowband color images involved the complexity and high cost of upgrading your camera with a filter wheel, 3 or more filters, adapters, and software. Now there is a more affordable all new option that delivers dramatic detailed images even in bright settings.

Triad is a revolutionary multi-band filter technology that passes only H-alpha, H-Beta, and Oxygen III emission lines enabling any color camera to now capture RGB narrowband images. It’s an affordable single-filter option guaranteed to dramatically reduce light pollution and increase your signal even in bright urban and moonlight settings.

Engineered specifically for use with DSLR, CMOS, and CCD color cameras, Triad features advanced multi-coatings and extreme tolerance glass, making it the most consistent and accurate light pollution suppression filter available. 100% American made.

Astronomik

CLS-CCD

Astronomik CLS-CCD

 

Primary Usage: Astrophotography City Deep Sky imaging

Format: 2" Mounted

Manufacturer: Astronomik

• 95% transmission at 486nm (H-beta)

• 95% transmission at 496nm (O III )

• 95% transmission at 501nm (O III )

• 97% transmission at 656nm (H alpha)

• 1. Passband 450nm to 520nm

• 2nd passband 640nm to 690nm

 

- Wavelength Chart

 

List Price: $200

The CLS-CCD Filter enhances the contrast between astronomical objects and the background. Due to the wider transmission curve compared to UHC filters, a greater amount of light will pass the filter. Stars will be less dimmed. This filter has been optimized to block as much spurious light as possible and simultaneously provide the best performance for 'useful' light. A good filter for DSLR-, CCD- and film b/w-photography as well as observation of deep-sky-objects with telescopes or photo lenses of all aperture f/3 and above.

 

Main use

The filter blocks completely emission lines of artificial light sources like streetlights (e.g. sodium- and mercury-vapor) as well as the airglow. All 'important' emission lines as well as the spectral range of the night-adapted eye are beeing passed. The supplementary IR-blocking layer allows the use for DSLR- and Webcams without an integrated IR-block filter.

Astronomik

UHC Filter

Astronomik UHC

 

Primary Usage: Astrophotography City Deep Sky imaging

Filter Size: 2" Mounted

 

Manufacturer: Astronomik

  • 97% transmission at 486nm (H-beta)

  • 97% transmission at 496nm (OIII)

  • 97% transmission at 501nm (OIII)

  • 97% transmission at 656nm (H alpha)

 

- Wavelength Chart

 

List Price: $200

This filter is universally suitable for visual observation, from the city as well as from dark areas. It improves the contrasts of emission nebulae and objects in medium and large telescopes.

The UHC filter increases the contrast between emission mists, supernova remnants, planetary nebulae and sky background. Objects that you could only imagine without a filter in the eyepiece will literally catch your eye and become visible in unimaginable detail. Even under seemingly good observation conditions far outside of cities and artificial lighting, the filter achieves a significant increase in contrast by blocking the atmospheric lighting (airglow). The observation is like looking through a telescope with a considerably larger opening. With the same limit size, the visually recognizable details of the objects increase drastically.

 

Operation

The filter completely blocks the emission lines of low and high pressure lamps (mercury (Hg) and sodium (Na)) and the airglow lines. However, the lines of H-beta and O III can happen. As a result, there is an increase in contrast between the sky background and the observation object, which is larger than in the UHC-E filter due to the lower half-width. H-alpha can also happen, which is not relevant to visual observation, but adds considerable value to electronic sensors.

 

Suitability of the filter

• Visual observation (land): Very good, for telescopes of all openings with large exit pupil

• Visual observation (city): Very good, for telescope from 100mm opening

• Conventional Film: Neutral but very long exposure time

• CCD Astrophotography: Good, additional IR blocker required

• DSLR Astrophotography (unmodified): Good, although color-shifted, but improved contrast

• DSLR Astrophotography (astro modified): Very good, the white balance is very good

• DSLR astrophotography (rebuilt with MC clear glass): Good, additional IR blocker required

• Webcam / Video (Planets): Unsuitable

• Webcam / Video (Deep Sky): Good, if light pollution is a big problem

Baader

 

Moon and Skyglow Filter

Baader Skyglow

 

Moon and Light Pollution filter

Filter Size: 2" Mounted

 

Primary Usage:

  • Visual: Moon, Planets, Deepsky

  • Astrophotography: Planets, Moon

 

List Price: $132.00

 

 

Wavelength Chart

 

With integrated IR blocker and Phantom Group Coating

Drastic contrast enhancement for all telescopes, without loss of image brightness! This filter is initially based on a development by Carl Zeiss. The effect of the element neodymium as filter material is very impressive. If used as co-mixture to optical glass, it improves the contrast and enhances the red portions of the image (especially for Mars and Jupiter). At night it blocks that part of the spectrum, which suffers most from street lighting – and it blocks the light pollution, also known as „skyglow“. And lastly, the applied UV/IR blocking coating (Luminance-coating - check the spectral trace) cuts all unwanted UV below 400 nm and NIR above 700 nm - this makes it the „sharpest contrast enhancing filter“ for imaging.

Compare with the moon & Skyglow filter before the naked eye, to test the effectiveness. Red and blue colours are extensively strengthened. If you cannot see the GRS (Great Red Spot) due to pollution try this which will allow you to see it.

In order to establish a precise plan area and to maintain the planarity despite the applied forces through the different layers of coating, a high technical effort is necessary. You have to choose from a large amount of raw glass only the best pieces in tension-free annealed quality to even hope for a good final quality may. All too easily, the glass deforms with improper preparation or coating on older evaporation systems. The final product is almost useless, if not greatest of care is taken at every stage of production.

SURFACE DETAILS ON MARS, JUPITER AND MOON AS WELL AS MANY DEEP-SKY-OBJECTS BECOME MUCH MORE PROMINENT.

• Selective contrast filter, especially suitable for all reflector telescopes

• Filters out specific wavelengths, especially those caused by streetlight and most importantly their scattered light which lightens up the night sky

• Selective blocking retains natural colours intact but with RGB significantly enhanced, differences in colour and brightness persist.

• 95% transmission in the selected spectral range.

• Fits all standard filter threads and can be combined with other filters – e.g. the planeoptically

• polished (!) Baader planetary colour filters. This way, you can see fine details better or combine several images with a monochrome camera to achieve colour images.

• The filter is at the same time optimised for Astrophotography due to it‘s full UV/IR-blocking coating. When used with DSLRs, stars will remain much tighter, because the unfocussed UV and IR parts of the spectrum are blocked out.

• Planeoptically polished; can be used without problems in front of a binoviewer or for afocal photography – far away from the focus without loosing sharpness!

• The fine-optical polish and absence of wedge error in the glass ensure perfect sharpness when magnifying more than 200x - while the much cheaper “fire -polished” filter glasses destroy the optical wavefront at high mags

• Neodymium doped optical glass

• Coatings Front/Back: 7-layer hard-BBAR-coating / 27-layered dielectrical UV/IR-cut coating

• Ultra-hard and durable Ion-beam hardened coatings – may be cleaned anytime without fear

Farpoint

Lumicon Comet Filter

Farpoint Lumicon Comet

Comet filter

Filter Size: 2" Mounted

 

Primary Usage:

  • Imaging/Viewing Gas comet tails

 

List Price: $200.00

 

Wavelength Chart

 

Lumicon 2 Inch Comet Filter is a narrow band-pass filter (25nm), which isolates the 501nm OIII line and both C2 lines at 511nm and 514nm.

The high contrast of the filter reveals the delicate ionized tail of gaseous comets for optimal viewing. The Comet Filter also helps better distinguish gaseous comets from dusty comets, which normally show little contrast gain.

Note: Not useful for dusty comet tails, just gas comet tails

Astronomik

Planet IR Pro 807 Filter

Astronomik

Planet IR Pro 807

Primary Usage: Moon and Planet Imaging Especially good during daytime

Filter Size: 2" Mounted

 

 

- Wavelength Chart

 

List Price: $99

Suitability

  • Visual observation (dark skies): Unsuitable, the eye is insensitive at this spectrum

  • Visual observation (urban skies): Unsuitable, the eye is insensitive at this spectrum

  • Film photography: Unsuitable

  • CCD photography: Reasonable, for special IR photography (as chlorophyll)

  • DSLR photography (original): Unsuitable

  • DSLR photography (astro modified): Unsuitable

  • DSLR photography (MC modified): Good, for IR daylight photography, longer exposure time

  • Webcam / Video (Planets): Very good, rejects problems with seeing, particularly with telescopes larger 250 mm aperture

  • Webcam / Video (Deep Sky): Very good, rejects problems with seeing, particularly with telescopes larger 250 mm aperture

Technical Data

  • more then 97% transmission for wavelengths of 807nm to 1100nm

  • blocking of wavelengths between 350nm and 790nm

  • Parfocal with other Astronomik filters

  • Glass thickness: 1mm

  • Completely resistant against high humidity, scratches and aging effects

  • Diffraction limited, the filter will not reduce the optical performance of your telescope!

  • Astronomik filters are delivered in a high-quality, long lasting, filter box

Astronomik

Astronomik

ProPlanet 742 IR-pass

Primary Usage: Moon and Planet Imaging Especially good during daytime

Filter Size: 1.25"

 

 

- Wavelength Chart

 

List Price: $50

Suitability

  • Visual observation (dark skies): Unsuitable, the eye is insensitive at this spectrum

  • Visual observation (urban skies): Unsuitable, the eye is insensitive at this spectrum

  • Film photography: Unsuitable

  • CCD photography: Reasonable, for special IR photography (as chlorophyll)

  • DSLR photography (original): Unsuitable

  • DSLR photography (astro modified): Unsuitable

  • DSLR photography (MC modified): Good, for IR daylight photography, longer exposure time

  • Webcam / Video (Planets): Very good, rejects problems with seeing, particularly with telescopes larger 250 mm aperture

  • Webcam / Video (Deep Sky): Very good, rejects problems with seeing, particularly with telescopes larger 250 mm aperture

Technical Data

  • more then 97% transmission for wavelengths of 807nm to 1100nm

  • blocking of wavelengths between 350nm and 790nm

  • Parfocal with other Astronomik filters

  • Glass thickness: 1mm

  • Completely resistant against high humidity, scratches and aging effects

  • Diffraction limited, the filter will not reduce the optical performance of your telescope!

  • Astronomik filters are delivered in a high-quality, long lasting, filter box

Baader

IR-Pass (685nm)

Baader IR-Pass (685)

Planetary IR filter

Filter Size: 1.25"

Primary Usage:

  • Planetary Imaging

 

List Price: $200.00

 

Wavelength Chart

- Common Filter Problems

- Test Review UV/IR filter vs IR-Pass Filter

- High Resolution Lunar and Planetary Imaging Hints and Tricks

 

  • Baader IR-Pass Filer HWB 685nm

  • Reduces the effect of seeing resulting in a much sharper image.

  • Tip for use: Ideal for imaging and used for the luminosity channel. The effect of use: The normal spectral bandwidth is 400-700nm. This filter starts at 670nm in the deep red, just in the visual range so it can be focussed correctly. At this long-wavelength spectral range the atmospheric air turbulence (seeing) has much lower impact on the sharpness. Dark structures on Mars, Jupiter the Moon and the Sun are thereby rendered much sharper. The luminosity can then be combined with RGB creating a very sharp LRGB image.

  • Highly recommended for any planetary imager.

  • Reflex free anti-reflective and optically polished.

Accessories and Tools

Item

Manufactor/Model

Specs/Manuals/Instructions

Comments

HyperStar Laser Collimator

Hotech

- SCT Collimation Instructions

- HOTECH Advanced CT Laser Collimator Part 1.mp4

- HOTECH Advanced CT Laser Collimator Part 2.mp4

 

List Price: $530

Expensive, but allows collimation anytime indoors.

GoldFocus  Plus Mask

 

GoldAstro

- GoldFocus Help file

List Price: $139.99

Works pretty well in the field.  but Standard GoldFocus mask is best for checking focus.

GoldFocus High-Precision Focusing System

GoldAstro

- GoldFocus Help file

List Price: $1??

Best for using in the field to check focus.

 

 

 

 

 

 

 

 

 

 

 

 

Sky Quality Meter

Unihedron SQM-L Sky Quality Meter

 

Bortle scale

 

Manual

 

 

 

 

 

 

Astronomy

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