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Kelly Cook replied to the topic 'Am I blind here?' in the forum. 1 hour 22 minutes ago

That appears to be a 5" RFT.  Very portable and nice for large deep sky stuff, but a fairly specialized instrument.

oldschool

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Larry Saxton shared 3 photos in the Travel Photography gallery 2 hours 53 minutes ago

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Liam Jefferis shared 11 photos in the Stream Photos gallery 2 hours 59 minutes ago

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CaptNemo replied to the topic 'Am I blind here?' in the forum. 3 hours 20 minutes ago

Is that good of a telescope?  Sorry but heard of it, but didn't know it was that good.  

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CaptNemo replied to the topic 'Dave Lane Astrophotography - (Killer click)' in the forum. 3 hours 27 minutes ago

Iceland or Greenland would be great!  

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Larry Saxton shared a photo. 3 hours 27 minutes ago


John Salierno replied to the topic 'Dumbell Nebula with a 70-200mm and a 2x teleconverter?' in the forum. 3 hours 39 minutes ago

astrodave wrote:

OK here's a couple things on the topic. You can shoot the dumbbell (M27) but you will have to track the shot. With a 200mm and a 2x you are going to be shooting at f4+ depending on which lens you have. This is not a one shot object. You will need a couple hours of exposure as a minimum at f5ish. Take 1-3 minute individual shots and combine them with a stacking program.

One way to get way more luminance data to combine with the shot is a Hydrogen Alpha filter (probably about 12nm would be perfect) that you can stick in the camera. This would be huge for excellent detail but it will need a couple hours of exposure to. 

I'll stick up some of my astro shots and if you have questions just let me know.






I'm so motived.  Now I thought the hydro alpha filter was for shooting into the sun?

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CaptNemo replied to the topic 'ABC's of Last Names!' in the forum. 3 hours 45 minutes ago

Wilcox

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Late night grab

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Brad Sawyer replied to the topic 'Filter holder or Gaffer tape?' in the forum. 3 hours 55 minutes ago

Filter holder

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Kenta Cook replied to the topic 'What was the LAST photo you took? Post it in here' in the forum. 3 hours 55 minutes ago

Where was that taken?

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Brad Sawyer replied to the topic 'Remove a Small Pox Vaccine Scar or leave it alone? - Engagement photo shoot' in the forum. 3 hours 57 minutes ago

+1 ask the client

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Kenta Cook replied to the topic 'Why proprietary lens mounts??' in the forum. 3 hours 58 minutes ago

They would make less $$

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astrodave replied to the topic 'Dumbell Nebula with a 70-200mm and a 2x teleconverter?' in the forum. 4 hours ago

Stanly wrote:

And I'll be shooting with an D80, so I have the 1.5x crop going on.  Can you get any detail from shooting any Nebula's?  

I'd recommend NGC 7000 North America Nebula and it would include the nearby Pelican Nebula. They are both bright enough that a 3 minute individual shot would be very pretty. I'd also skip the 2x as with a crop sensor you are almost at 300mm which is not bad. Also much more forgiving of poor tracking / bad polar alignment than 600mm would be.

The link shows what the area looks like (not my photo) 

www.petergarbett.com/DeepSky/22c2ac50.jpg

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Dave replied to the topic 'Hello everyone! :)' in the forum. 4 hours 15 minutes ago

Welcome to the site!

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Stan commented on astrodave's photo 4 hours 55 minutes ago

That is what I call committed to excellence!

Homage

Stan commented on astrodave's photo 4 hours 57 minutes ago

This would look great in a brushed aluminum frame and on the wall!

Very wide Mosaic of the Cygnus area 8 panels

Stan liked astrodave's photo 5 hours 2 minutes ago

Stan replied to the topic 'Dave Lane Astrophotography - (Killer click)' in the forum. 5 hours 4 minutes ago

That makes two of us!  Ice beach, volcano's and the lights! 

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