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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205

Image of the day 11/29/2013

Getting plate-solving status, please wait...
    another weird m31, 


    another weird m31

    another weird m31

    Technical card

    Resolution: 3305x2480

    Dates:Aug. 30, 2013Sept. 26, 2013Oct. 4, 2013Nov. 22, 2013

    Astrodon Blue G2E: 31x300" -30C bin 1x1
    Astrodon Green G2E: 53x300" -30C bin 1x1
    Ha 5nm: 57x600" -30C bin 1x1
    Astrodon Lum G2E: 24x300" -30C bin 1x1
    Astrodon Lum G2E: 10x60" -30C bin 1x1
    Astrodon Red G2E: 54x300" -30C

    Integration: 23.2 hours

    Darks: ~50

    Flats: ~23

    Bias: ~200

    Avg. Moon age: 23.44 days

    Avg. Moon phase: 41.64%

    Bortle Dark-Sky Scale: 8.17 job: 122288

    RA center: 0h 42' 42"

    DEC center: +41° 15' 32"

    Pixel scale: 2.781 arcsec/pixel

    Orientation: -91.513 degrees

    Field radius: 1.596

    Locations: Casa de Rob, Oakland, CA, United States

    Data source: Backyard


    M31 frankenimage from oakland, ca (bortle red/white)

    Ha, Red, Green : STT-8300M + Canon 200mm f/2.8L @ f/2.8 + field stop to f/4 + lodestar/50mm finder guider
    Lum, Blue: STT-8300M + TMB92SS + TRF-2008 0.8x reducer (400mm, f/4.4) + FW8G-STT OAG

    mount: mach1GTO

    L: 24x300s, 10x60s
    Ha: 2x1200s, 9x300s, 49x600s
    R: 54x300s
    G: 53x300s
    B: 31x300s

    total: 23h15m



    License: None (All rights reserved)

    Sky plot

    Sky plot


    another weird m31,