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Lars LindhardParticipantHi Andy
Thank you. I will start out with BASS and read the BAA-Guide to the program.
Then when the clouds eventually disappear I might take at photo to work with π
23 January 2021 at 8:35 pm in reply to: Webinar: Peranso 3 Light curve Analysis Software – Live Showcase #583740
Lars LindhardParticipantHi Jeremy
Interesting webinar. Do you know if it will come on YouTube?
I would like to see it again.
Lars LindhardParticipantDon’t worry. Both languages will be in google translate in a few months time:-)
Lars LindhardParticipantThe nova is brightening, my estimate is mag 8.8 tonight
Lars LindhardParticipantA lot of useful informations as always.
I wonder what they would have thought of the exoplanets tabel back in 1922…
Lars LindhardParticipantFine image.
My suburban skies would never allow me to see mag 16 or 17, I’m afraid.
Lars LindhardParticipantThank you. I found a picture of it on the web. It is out of reach from here.
Lars LindhardParticipantHas anybody seen this nova or taken a picture?
It must be very faint?
Lars LindhardParticipantI saw the nova last night and estimated the mag. to 12.7.
Lars LindhardParticipantHere are two pictures from Monday morning. Canon EOS 77D 1 sec. with 50 mm lens, 4 sec. with 300 mm.


Lars LindhardParticipantThis was funny.
Astrometric.net was a fine tool, and I have passed some time today checking (=finding) the positions on Atlas Stellarum.
I look forward to the final results form the pro guys.
A merry christmas to all.
Lars LindhardParticipantAstrometry.net has no problems with star trails, so it was an easy task.
Lars LindhardParticipantHere are some of the positions
Print 1
Center of picture is RA 07h 24m 23s Dec +63Λ 55β 43β East is up.
Print 2
Center of picture is RA 02h 12m 24s Dec +66Λ 18β 07β North is up
Print 5
Center of picture is RA 02h 14m 06s Dec +67Λ 33β 51β North is up.
Print 6
Center of picture is RA 22h 49m 25s Dec +41Λ 53β 58β East is up.
Bright star just to te right of comet is 2 And.
Print 7
Center of picture is RA 22h 35m 16s Dec +39Λ 41β 38β East is up. The image is inverted.
Same field as print 6
Print 8
Center of picture is RA 08h 19m 23s Dec +61Λ 42β 24s WSW is up. Field is 45β x 58β
Bright star above comet is HD 68988
Print 9
Center of image is RA 20h 26m 30s Dec +59Λ 30β 47β East is up.
Print 11
Center of image is RA 20h 46m 31s Dec +57Λ 27β 25β East is up. Same field as print 9
Lars LindhardParticipantA little Christmas Quiz? π
I do not know the dates or names of the comets, but If it can be of any help I can give the RA and DEC positions of the pictures.
Lars LindhardParticipantNick James writes in the December 2019 Journal that Borisov is the first confirmed interstellar comet.
I think I have read somewhere that the 1956 comet Arend-Roland came from (and went back to) interstellar space? Maybe that was just a guess?
Lars LindhardParticipantYou can find the handbook here https://britastro.org/handbook
Lars LindhardParticipantNo need to worry.
It will be cloudy anyway…
Lars LindhardParticipantHi Paul
Good that you write these things.
We all make mistakes, often silly ones like your dome experience. My logbook has plenty of observations with errors like yours – it is easy to look away at the right – or rather wrong – moment.
I think we all learn from postings like yours, and this helps us to remember the basic things, check the equipment during the day, start up in good time, make things running and keep an eye on them etc.Better luck next time.
Lars LindhardParticipantDeleted
Lars LindhardParticipantIt seems a small telecope will do it
https://www.cloudynights.com/topic/635377-sirius-b-observed/#entry9055629
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