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Nova Delphini 2013

A day later and PNV J20233073+2046041 has lost the “possible” in “possible nova” and is now designated Nova Delphinus 2013.

Since I observed it last night (see cross-hair below), Nova Del 2013 has brightened more than another magnitude from around 5.5 to 4.5 as can be seen from the following AAVSO visual and Johnson V light curve.

The following shows a pre-brightening observation (shown in red at bottom left) that was added to the AAVSO International Database since last night.

Now, that’s a so-called “fainter than” observation which means that it was recorded as being fainter than magnitude 9.8.

The Variable Star Index entry suggests that it was substantially dimmer than this before the outburst.

It’s cloudy here in Adelaide tonight and the next few days don’t look promising so I’m really glad I had the chance to see this last night. I’m itching to be able to see it again though!

Addition: I just came back inside after being out in the backyard for an hour. It looked as thought it might clear long enough to make an estimate, but sadly not.

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