Hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  Black Eye Galaxy  ·  Evil Eye Galaxy  ·  M 64  ·  NGC 4826
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M64 in L(L)RGB - horrifying!, 



    
        

            Tom Gray
M64 in L(L)RGB - horrifying!
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M64 in L(L)RGB - horrifying!

Getting plate-solving status, please wait...
M64 in L(L)RGB - horrifying!, 



    
        

            Tom Gray
M64 in L(L)RGB - horrifying!
Powered byPixInsight

M64 in L(L)RGB - horrifying!

Technical card

Imaging telescopes or lenses: Meade 2080 SCT 8" LX5

Imaging cameras: Meade DSI 3 Pro

Mounts: Meade Fork mount w/wedge Meade

Guiding telescopes or lenses: Meade 8x50mm Finder/Guider

Guiding cameras: Orion Starshoot autoguider

Focal reducers: Meade f6.3 focal reducer/field flattener Meade 0.63x Reducer

Software: Han Klein ASTAP v0.915  ·  SiliconFields / Ivo Jager Startools v1.7  ·  PHD2 Guiding V 2.6  ·  Meade Envisage V4.10

Filters: Meade RGB-IR Cut 1.25"

Accessory: Bahtinov Mask  ·  Homemade ST4 autoguider  ·  Finder guider 8x50 Finder Scope


Dates:April 4, 2021April 10, 2021

Frames:
Meade Blue Filter for CCD: 15x60" bin 1x1
Meade Green Filter for CCD: 15x60" bin 1x1
Meade RGB-IR Cut 1.25": 27x120" bin 1x1
Meade Red Filter for CCD: 15x60" bin 1x1

Integration: 1.6 hours

Darks: ~27

Flats: ~25

Avg. Moon age: 25.14 days

Avg. Moon phase: 25.78%


Basic astrometry details

Astrometry.net job: 4400017

RA center: 12h 56' 42"

DEC center: +21° 40' 55"

Pixel scale: 0.910 arcsec/pixel

Orientation: 355.212 degrees

Field radius: 0.197 degrees


Resolution: 1256x919

Locations: Home 'observatory' (Bortle 5), Derbyshire, United Kingdom

Data source: Backyard

Description

My attempt to add RGB data (1x1 binned) to my Luminance frames taken 4 April. Not a great success primarily due to incorrect spacing with my focal reducer, a lack of exposure (60s frames) and integration (15m) and failure to produce good flat frames. The final result a noisy image with unsightly gradients and barely suppressed artifacts. This image better reflects the other nickname of the 'evil eye' galaxy or perhaps even the 'dead man's eye'!

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