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    December 10, 2017

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    September 18, 2018

    SH-101 is a faint emission nebula in the constellation Cygnus. It is also dubbed "Tulip nebula" because of its flower shape. It would take far longer exposures to capture more of the background nebulosity in the region. This is a natural color image taken through RGB f...

    August 26, 2018

    It has already been two years since the Astrotech 12'' RC became the workhorse of Asteria observatory. It has already logged tens of hours of imaging during that time, specifically close to 150 hours. They say you're not supposed to clean the optics at all if possible,...

    August 3, 2018


    Can you count all the galaxies? This field is just 25x15 arc minutes. Only a quarter of a degree across. Yet, not unlike the Hubble Deep Field image, it is hard to believe how many galaxies are visible in such a small patch of sky. The galaxy brightness range is...

    July 23, 2018

    NGC 7129 is an open cluster, but longer exposures will reveal the associated reflection nebula  in the center. Dark nebula LBN 497 can also be seen. A lot of star birth activity is taking place in this area. A surprise target, and one of my favorite so far, due to it's...

    July 20, 2018

    NGC 7662 is a planetary nebula in the constellation Andromeda. The exact distance from earth is not currently known. The most recent estimate is 5,600 light years, and a diameter of 50,000 AU (Wikipedia). As tiny as it appears in this view, it is in fact tens of thousa...

    July 17, 2018

    Continuing to image that part of the sky around Andromeda at the time, another image from my collection, Abell 262. The brightest member of this group is NGC708, an eliptical galaxy at a distance of ~65MPc (208 million light years), and a velocity of around (4,800 km/s...

    July 12, 2018

    NGC 7541 is part of a galaxy group is an SB type galaxy at an estimated distance of 28 MPc (91 million ly) in the constellation Pisces. It is currently receding from our own galaxy at a rate of 2,826 km/sec (Simbad). In this cropped image, it appears along with NGC 753...

    July 9, 2018

    This little jewel nestled in the dust clouds of Cepheus is one of my favorites. A much longer exposure is needed to bring out the faint dust (>10 hours). In reality, this galaxy pair lies in the cosmic background outside our galaxy, at an estimated distance of 100 mill...

    July 6, 2018

    We are very excited about the opening of the John Glenn Astronomy Park, for many different reasons. I will only list the most essential ones, as the list can get pretty long. Firstly, it promotes the science of observational astronomy and outreach, secondly,  it raises...

    July 6, 2018

    Optics: AT12 RC astrograph @ f/8
    Camera: QHY9M CCD
    Filters: Orion 2'' LRGB
    Mount: AP900 GTO
    Guider: Meade DSI Pro II   

    Focus: Robofocus
    Software: CCD Commander, Maxim DL, FocusMax, Photoshop CC 2014, Pixinsight 1.8

    Date: RGB: 9/26,10/8,10/9,10/10,2016 L: 8,23,24...

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