Re: 5919 Obs #28385

From: Björn Gimle via Seesat-l <seesat-l_at_satobs.org>
Date: Wed, 14 Sep 2016 14:42:55 +0200
I also forgot to mention that I displayed the .fits files with SAOimage DS
9 to read the RA/Dec.

Here is the HS screenshot for the 23:19 image minima:

--------------------------------------------------------
Björn Gimle, COSPAR 5919
59.2617 N, 18.6169 E, 51 m
Satellite observation formats described:
http://www.satobs.org/position/IODformat.html
---------------------------------------------------------

2016-09-14 13:57 GMT+02:00 Björn Gimle <bjorn.gimle_at_gmail.com>:

> I forgot to add that a period of about 5.9 is a remote possibility (15 s
> exposures 66s apart).
>
> My IOD "observations" (prime:)
> 28385 04 034B   5919 G 20160911231817500 18 25 2026700+315550 55
> N          64
> 28385 04 034B   5919 G 20160911231924500 18 25 2052800+371681 55
> N          64
> (secondary:)
> 28385 04 034B   5919 G 20160911231823500 18 25 2028830+322556 55
> N          64
> 28385 04 034B   5919 G 20160911231829500 18 25 2029233+323208 55
> N          64
> 28385 04 034B   5919 G 20160911231930500 18 25 2055830+375240 55
> N          64
> 28385 04 034B   5919 G 20160911231936500 18 25 2055450+374706 55
> N          64
> (and maxima:)
> 28385 04 034B   5919 G 20160911231817500 18 25 2025600+313883 55
> M          60
> 28385 04 034B   5919 G 20160911231823500 18 25 2027930+321240 55
> M          60
> 28385 04 034B   5919 G 20160911231829500 18 25 2030015+324160 55
> M          60
> 28385 04 034B   5919 G 20160911231924500 18 25 2051600+370251 55
> M          60
> 28385 04 034B   5919 G 20160911231930500 18 25 2054150+373211 55
> M          60
> 28385 04 034B   5919 G 20160911231936500 18 25 2056900+380321 55
> M          60
>
>
>
>
> --------------------------------------------------------
> Björn Gimle, COSPAR 5919
> 59.2617 N, 18.6169 E, 51 m
> Satellite observation formats described:
> http://www.satobs.org/position/IODformat.html
> ---------------------------------------------------------
>
> 2016-09-14 13:48 GMT+02:00 Björn Gimle <bjorn.gimle_at_gmail.com>:
>
>> I measured positions of max and min on the two .fits images obtained by
>> submitting my .jpg to astrometry.net.
>> This gave me also RA and Dec for the points. Then I created IOD files for
>> these, adding roughly estimated times,
>> and used HeavenSat to display the max/min "Sky/chart - Optical
>> measurements".
>> Then I interpolated the times from HS predicted track, and the
>> observation dots.
>> Note that actual prediction/obs times are not so important, since a few
>> seconds, or even minutes, does not displace the track so much that the
>> angular speed is noticably different.
>>
>> I obtained 6.49 s for the two primary minima, and the four secondary
>> minima (with a spread of +-0.29s); 6.45 s for the maxima (spread +-0.13s
>> with one value offset by 0.6s removed)
>> The Excel sheet I created is a sort of replacement for my SYNODIC
>> program, which is coded with CA-Realizer (16-bit) which I can't run in W10
>> without slight difficulty.
>>
>> ---------------------------------------------------------
>>
>> 2016-09-12 15:42 GMT+02:00 Björn Gimle <bjorn.gimle_at_gmail.com>:
>>
>>> ...
>>> Trouble with aiming the camera gave me only two images.
>>> ...
>>> I may be able to produce/verify the flash period by measuring each max
>>> (or min) and combining the two images.
>>> ...
>>>
>>>> --------------------------------------------------------
>>>>> Björn Gimle, COSPAR 5919
>>>>> 59.2617 N, 18.6169 E, 51 m
>>>>> Satellite observation formats described:
>>>>> http://www.satobs.org/position/IODformat.html
>>>>> ---------------------------------------------------------
>>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>
_______________________________________________
Seesat-l mailing list
http://mailman.satobs.org/mailman/listinfo/seesat-l
Received on Wed Sep 14 2016 - 07:43:32 UTC

This archive was generated by hypermail 2.3.0 : Wed Sep 14 2016 - 12:43:32 UTC