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Outburst of RS Ophiuchi

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2 years 11 months ago - 2 years 11 months ago #110470 by Keith g
Outburst of RS Ophiuchi was created by Keith g
Finally after many years , I have discovered the recurrent nova RS Ophiuchi is in outburst at visual magnitude 5.0, from Ireland !!

here is my report:

Hello CBAT/  all , I wish to report the visual outburst of recurrent nova RS Ophiuchi as follows:

Current Observation Information: (as of time of sending)

Observer: Keith Geary, Ireland.


Place of observation: Dunbratton County Waterford , Ireland
Date and UT of observation: 08 August 2021 2220UT
Object Confirmed Via: Binoculars/DSLR
Estimated Magnitude: 5.0
Observer Location & latitude: 52 16 35N 
7.3 degrees West
Limiting magnitude (visual - naked eye):  6.0
Seeing (1 to 5 - best to worst): 3
Charts Used: AAVSO chart X20922HZC
Moon up (phase?): no
Instrument: 20x100mm binoculars
Filters used: none
Object: Recurrent Nova
Constellation: ophiuchus 
Contact E-mail Address:  This email address is being protected from spambots. You need JavaScript enabled to view it.
Last edit: 2 years 11 months ago by Keith g.
The following user(s) said Thank You: michael_murphy, flt158, Fermidox, scfahy, Until_then-Goodnight!, Paul-Byrne

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2 years 11 months ago #110471 by Keith g
Replied by Keith g on topic Outburst of RS Ophiuchi
Hi all, here is my discovery image at magnitude 5.0 08 August 2021 2220UT
   
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2 years 11 months ago #110472 by Fermidox
Replied by Fermidox on topic Outburst of RS Ophiuchi
That's fantastic Keith!

You are credited in the ATEL from the Fermi-LAT team -

www.astronomerstelegram.org/?read=14834

Very well done!

Finbarr.
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2 years 11 months ago #110473 by johnflannery
Replied by johnflannery on topic Outburst of RS Ophiuchi
Congratulations Keith! A fantastic achievement and great dedication to keep monitoring the star.

John
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2 years 11 months ago #110474 by Keith g
Replied by Keith g on topic Outburst of RS Ophiuchi
Thanks guys, I’m so happy to finally achieve something 

Reports from Japan are that it was still at magnitude 11.7 at 20210808.487UT

So it seems a remarkable rise in visual brightness in the 10 hours or so between that and discovery!

Keith..
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2 years 11 months ago #110476 by JohnONeill
Replied by JohnONeill on topic Outburst of RS Ophiuchi
Hi Keith,

That's fantastic news! Congratulations.

It's curious that the interval between outbursts historically can be so different.

John
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