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Found 3 results

  1. vlaiv

    NGC 7331 - 11/11/2015

    From the album: Astrophoto by vlaiv

    Here is image that I took while experimenting with SNR calculations and viability of using planetary camera for deep sky photography (sensor is sensor thus was concluded ) Equipment: Newton 200/1200 on HEQ5, unguided but PEC applied, QHY5IILc as imaging camera, GSO x0.5 focal reducer (effective reduction ~x0.65) Data: ~ 520 x 10s light frames (540 taken, about 520 stacked), 64 dark frames, total integration time: ~ 1h 27min, FL 770, F/3.85, resolution ~1"/pixel
  2. From the album: 2nd Album

    NGC 7331, an inclined spiral galaxy at about 40 mil light years in the constellation Pegasus. 20m, 15m 10m, 5 &3m one exposure each, integration time (unfortunately) only 53min, 90darks, flats and bias frames.
  3. My recent infatuation with bino viewers is paying off and an unexpected clear and cold night gave the perfect opportunity for a go at some fainter objects. The sky held at 21.8 mag until the aurora came out-at which time the scope was put away. High transparency from the rain washed skies of this afternoon had the Milky Way sharply defined and bright horizon to horizon. The 15" and Binotron 27's are a natural pair together as well as the remarkable 25mm TV plossls. This combo delivers some great views with the Denk powerswitch. NGC 7331 is a fantastic bright galaxy and the binos in comparison to mono gave a better, more contrasted view- surprising really. After warming the eyes up on this object I figured I'd drive the binos over a squeak to look for Stephans Quintet... well not much looking was required, they just popped into view in direct vision. Surprised again I went and got another eyepiece to check the view in mono and yes there was the Quintet. The flexibility of the mono zoom I was using is vg as is its high transmission. What really surprised me though was seeing two "fleas" with the binos at NGC 7331. So yes, many surprises tonight and I'm becoming very attached to these binoviewers.
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