Hemisphere:  Northern  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5477
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M101 Pinwheel Galaxy Test Shot, 



    
        

            Jeff Weiss
M101 Pinwheel Galaxy Test Shot
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M101 Pinwheel Galaxy Test Shot

Technical card

Imaging telescopes or lenses: APM LZOS 130/780 f/6 LW CNC II 130mm APO

Imaging cameras: FLI ML16200

Mounts: Takahashi EM-200 Temma2

Guiding telescopes or lenses: Orion Deluxe 50mm MiniGuider

Guiding cameras: Orion SSAG

Focal reducers: William Optics 132/110 FLT Field Flattener

Software: PixInsight 1.8  ·  TheSkyX  ·  PS CS6

Filters: Astrodon Gen2E RGB  ·  Astrodon Gen2E Lum

Accessory: FLI CFW-2-7


Frames:
Astrodon Gen2E Lum: 6x600" -30C bin 1x1
Astrodon Gen2E RGB: 18x300" -30C bin 1x1

Integration: 2.5 hours

Mean SQM: 21.33


Basic astrometry details

Astrometry.net job: 1131840

RA center: 14h 3' 27"

DEC center: +54° 24' 25"

Pixel scale: 1.579 arcsec/pixel

Orientation: -179.032 degrees

Field radius: 0.530 degrees


Resolution: 1902x1488

Data source: Traveller

Description

This is a first light for my FLI ML16200 camera. It is a short 2.5 hr test shot LRGB of M101. Afterwards I discovered considerable dirt had encrusted the entire surface of the objective lens of my APM 130/780. That definitely scattered some light and caused some of the focusing problems I had which should hopefully now at least be improved after subsequently cleaning the lens. But this will be it for M101 this year.

D.A.R.C. Observatory, Mercey Hot Springs, CA. 5 June 2016

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jeffweiss9
Jeff Weiss
License: None (All rights reserved)
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M101 Pinwheel Galaxy Test Shot, 



    
        

            Jeff Weiss