Thursday, April 18, 2024

Plans for Summer '24

Because last year's plans went so well (which I write with heavy sarcasm) I'm going to make new, possibly better plans for this year.

Star Parties! From none last year to three this year?

The Iowa Star Party finally moved their party date from the usual late August to October. Now although I just love camping in sweltering heat and dew point temperatures of 70+ degrees F, this is a welcome change. It's bound to be cooler in October, I hope, and by then the expected layers of smoke will be gone or at least diminished. As soon as registration opens I'm signing up, and that's meant with sincerity. 

Iowa Star Party

The IaSP has always been one of my favorites. It doesn't have the darkest sky, but the facilities are nice and the observing field is big and open. Civilization (small-town Iowa style) is only minutes away in Coon Rapids (population 1279). My imaging target will be a revisit of IC 348. Here's my image of it from Stacy, MN in 2014:


The bright star is Atik (Omicron Persei) and the dark clouds beneath are Bernard 3 and 4. This was imaged with my TV-102 and ST8300 Camera.  I thought at the time it was an interesting subject, and now I'll go after it with better gear, better sky, and (I hope) more time on target. There is a large emission nebula in the right half of the image that is barely hinted at here. Definitely needs better data!

Northern Nights Star Fest

With the Iowa Star Party vacating the labor day weekend there's no longer the usual schedule conflict with the NNSF, a north-woods party sponsored by the Minnesota Astronomical Society. The dark sky is spectacular for this party; aside from clouds the only thing that might cause problems is a nice Aurora. I've already made my reservations for this and have selected a target: the Soap Bubble. This is a pretty little planetary nebula sitting near the Crescent nebula in Cygnus. Here is my 2013 image of the crescent:


This Ha+OIII narrowband image from my light-polluted back yard is far too brief to capture the Soap Bubble; if you know just where to look in this image you can see it's not there. Sometimes the data simply aren't adequate. Repeated attempts at overprocessing failed to pull it out of the noise. The hope is that with the dark sky of the NNSF and a few nights on this one one target using LRGB--it will be there!

Nebraska Star Party

NSP is always a challenge. Heat. Thunderstorms. Mosquitoes, little prickly pear cacti, and in recent years, unusually high humidity.  Add to that layers of forest fire smoke and even unhealthy air quality as Canada burns. (It's possible the smoke may be part of a long term trend.)  I hope to go, but it will probably be a wait and see game to see if it's worth the travel time.

If I do make it, I think I'll update yet another old image of mine, M8 (the Lagoon). Two solid nights on the Lagoon should produce something spectacular! And if there are three or four good nights I'll tack on an overlapping frame to make a mosaic of M8 and M20 (the Trifid Nebula)

From the 2013 Iowa Star Party:


Nothing special, but I was pleased with it at that stage of my deep sky imaging. The scope was a 72mm f/6 refractor. Eleven years later I'll use a 106mm f/5 scope; I should be able to do much better.

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Next post --- I'm still looking for a reasonably close-in camping location that is convenient to use on a same-day basis and has at least green-zone darkness as defined by this scale. I visit two new campgrounds two hours from a southern suburb of Minneapolis, and revisit three others that I previously found unsatisfactory to see if anything has changed. See what I learned this time around.

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