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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205
Getting plate-solving status, please wait...
M31 in LHaRGB, 


            Jack Liu
M31 in LHaRGB

M31 in LHaRGB

Technical card

Resolution: 3388x2712

Dates:Oct. 20, 2015

Baader Planetarium Ha 7nm 2": 10x300" -20C bin 4x4
Baader Planetarium Ha 7nm 2": 7x600" -20C bin 4x4
Baader Planetarium LRGB 2": 24x180" -20C bin 2x2
Baader Planetarium LRGB 2": 21x300" -20C bin 2x2
Baader Planetarium LRGB 2": 25x180" -20C
Baader Planetarium LRGB 2": 6x300" -20C

Integration: 6.7 hours

Avg. Moon age: 7.02 days

Avg. Moon phase: 46.18%

Bortle Dark-Sky Scale: 6.00 job: 822296

RA center: 10.712 degrees

DEC center: 41.294 degrees

Pixel scale: 1.966 arcsec/pixel

Orientation: -1.163 degrees

Field radius: 1.185 degrees


Based on a mix of data taken in Sep 2014, Sep 2015, and Oct 2015. ES ED80 APO @ f/6, L: 6x5 min, RGB: 3x3x5 min binned 2x2, Ha: 3x5 min binned 4x4. FSQ-106ED @ f/3.6, L: 25x3 min, RGB: 3x8x3 min & 3x4x5 min binned 2x2, Ha: 7x5 min & 7x10 min binned 4x4. PI processing



Jack Liu
License: None (All rights reserved)

Sky plot

Sky plot


M31 in LHaRGB, 


            Jack Liu