ngc7635_hst_asa_det_125.jpg (167650 bytes)

    NGC 7635, Bubble Nebula

    Technical Details:

    Object(s): NGC 7635, Bubble Nebula
    Observing Site: Azor Observatory, Las Rozas, Madrid, Spain
    Date: October 6, 8 and 9 (H alpha data), 12, 13 and 14 (OIII and SII data), 2007 
    Camera: SBIG STL-11000M @ -20ºC
    Telescope: ASA N10 Astrograph @ f/3.6, Losmandy G-11 mount
    Filters: Astrodon 6nm H alpha, SII and OIII
    Exposure: 360 minutes (Ha), 270 (OIII) 270 min (SII)  30 min subs, bin 1x1 
    Processing Software: Maxim DL, Photoshop
    Comments: HST, fragment, shown at 125 % size 

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