Re: Question about a satellite I may have imaged

From: matt--- via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 02 Jul 2020 14:44:46 -0400
It is a closed scope.  Specifically a Lunt 60mm f8.3 dedicated H-alpha
scope. 

Matt

On 2020-07-02 14:40, Gonzalo Blasco wrote:

> Is it an open telescope like a newtonian? or a closed one?
> 
> --
> Gonzalo Blasco Gil 
> 
> El jue., 2 de jul. de 2020 a la(s) 13:38, <matt_at_considine.net> escribió: 
> 
> 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
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Received on Thu Jul 02 2020 - 13:46:10 UTC

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