I agree regarding the size. And the fact that it was so visible in h-alpha struck me as odd. But I cant think of anything else, so I thought I'd ask. Best regards, Matt On 2020-07-02 14:28, Gonzalo Blasco wrote: > Im not a experienced expert but my 2 cents > > I think is big for a Satellite, but perhaps is a visual effect and someone has more info. The ISS transits photos I ve seen are smaller than the photos you atached , and probably ISS is the biggest satellites in terms of apparent size. > > It seems in fact some out of focus near-object like a BUG... What do you think? > > Sincerely, > > -- > Gonzalo Blasco Gil > > El jue., 2 de jul. de 2020 a la(s) 12:49, matt--- via Seesat-l (seesat-l_at_satobs.org) escribió: > >> Hello again, >> Looks like my attachments may not have made it through. They can be >> found here as well >> >> http://www.considine.net/SatCrossing_017_20200702_143833.011_UT.jpg >> http://www.considine.net/SatCrossing_018_20200702_143833.139_UT.jpg >> http://www.considine.net/SatCrossing_019_20200702_143833.268_UT.jpg >> http://www.considine.net/SatCrossing_020_20200702_143833.397_UT.jpg >> http://www.considine.net/SatCrossing_021_20200702_143833.526_UT.jpg >> >> Regards, >> Matt >> >> On 2020-07-02 13:37, matt--- via Seesat-l wrote: >>> Hello, >>> >>> I am trying to identify a satellite(?) that I happened to catch cross >>> my >>> field of view this morning while viewing the sun. I've tried websites >>> such as heavens-above, calsky, etc to try to figure out after the fact >>> what I might have seen, but have been unsuccessful. >>> >>> So I have two questions, really: >>> >>> 1) what would be the "go to" sites with search engines to use to try to >>> figure this out, if any; and >>> >>> 2) with the details provided below (hopefully in compliance with the >>> posting rules), can anyone help identify what I saw? I did some rough >>> calcs on my own of size assuming a distance, but would prefer to hear >>> what those more knowledgeable would say. >>> >>> For what it is worth, since I was only getting setup at the time, my >>> camera orientation wasn't well done. I was trying to expose for the >>> prominence and I think I had my frames flipped around. The sun at that >>> time, as seen by the GONG sites in H-alpha, can be seen here >>> >>> http://halpha.nso.edu/keep/hag/202007/20200702/20200702143834Ah.jpg >>> >>> I think in my images "south" near the mid-point of the left side of the >>> images attached, but I am not confident in saying which direction the >>> travel was. The "bump" of a prominence shown is near the bottom of the >>> images on the GONG site. >>> >>> Thanks in advance, >>> >>> Matt Considine >>> >>> Randolph, VT USA >>> >>> 1. ID of object: UNKNOWN >>> >>> 2. Description and dimensions of object (metres), if known. APPEARS TWO >>> BE TWO CONNECTED PANELS >>> >>> 3. Observing site location: latitude, longitude, altitude, to nearest >>> 100 m. LAT 43.9508125 LONG -72.6671875 ALT 283m >>> >>> 4. Date/time of obs: UTC. For single frames, report time to nearest >>> second. For video, report start time and duration to nearest second. >>> UTC >>> 20200702 14:38:33.011-14:38:33.526 >>> >>> 5. Range to object: UNKNOWN >>> >>> 6. Telescope: make/model/aperture LUNT 60mm aperture 500mm focal length >>> ***H-alpha*** >>> >>> 7. Camera: make/model ZWO ASI174MM >>> >>> 8. Tracking method: hand-guided, or mechanical (make/model): ROUGHLY >>> TRACKING SUN >>> >>> 9. Data acquired: total duration, frame rate, exposure per frame, >>> resolution & bit depth of raw data >>> >>> DURATION: 0.515 secs FRAME RATE approx 8fps EXPOSURE 0.64401secs 16BIT >>> no binning BRIGHTNESS=0 GAIN=0 SOFTWARE SharpCap 3.2.6248.0 >>> >>> 10. Processing: describe the process of frame-selection and/or >>> image-processing used to obtain reported results. >>> >>> Frames captured using above settings in SharpCap. No Post processing. >>> Acquired in SER file format, with attached frames saved as JPEG. No >>> barlow used. >>> >>> 11. Raw image frames: >>> >>> No processing has been done to attached images >>> _______________________________________________ >>> Seesat-l mailing list >>> http://mailman.satobs.org/mailman/listinfo/seesat-l >> _______________________________________________ >> Seesat-l mailing list >> http://mailman.satobs.org/mailman/listinfo/seesat-l _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Thu Jul 02 2020 - 13:38:58 UTC
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