Re: Sat ID in a 3° FOV

From: Scott Tilley via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 11 Nov 2021 12:50:22 -0800
Hi Kenneth

I've reduced your image using Cees Bassa's SATTOOLS and other 
techniques.  There are three identifiable satellites in the image.  
Please see the marked up image here:

https://www.dropbox.com/s/jfei5m0pdargak7/2019XS%20Trail_LST_ID.jpg?dl=0

I'm not sure what the other 'lines' in the image are but they don't 
correlate to objects in the amateur classfd.tle or the Spacetrack 
general catalogue.  There seem to be some period defects in the image 
upon closer examination, not sure what the cause is.

Interestingly, NAVSTAR 70 (USA 251) is entering eclipse during your 
image.  The other fading up or out track may be a dim meteor.

If you're interested in identifying satellites in future images I 
recommend taking short unguided images before you begin a long image and 
afterwards.  A short sequence of 10s images of say 5 or so would be 
ideal as this lends itself to analysis very easily where tracked images 
tend to complicate the analysis process. Using a blink technique the 
satellites will jump out and if they are in a catalogue be easy to ID 
using sattools.

Thanks for sharing the image as your scope is very nice for wide field 
views!

Regards,

Scott Tilley



On 2021-11-11 8:36 a.m., Kenneth Drake via Seesat-l wrote:
> This image was taken from near 30 37 4N 103 58 45W between 5:57UT and 
> 6:28UT on November 10th 2021. The central blue line running from 
> 11:00-5:00 is the NEA 2019 XS moving about 56"/sec. North is up, east 
> to the right, centered ~RA 2h44'17" DEC -2°35'11".  The image was 
> taken with an 8" Celestron RASA f/2 and a ZWO 2600 color camera.
>
> https://www.dropbox.com/s/mtqxf67hae0249d/2019XS%20Trail.jpg?dl=0
>
> I've identified 16 distant asteroids to magnitude 18.5 plus a handful 
> of faint galaxies.
>
> I would like to identify all the space orbital debris and satellites.
>
> Kenneth Drake
>
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Received on Thu Nov 11 2021 - 14:51:33 UTC

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