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Ferebee64
sage
Reged: 04/10/08
Posts: 210
Loc: Portland, Oregon
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If you are talking about Rooster Rock I dont think you are going to have much luck even with no moon - Rooster Rock is east of Portland and you have to look right through the glow dome to see Canes Venatici in the West -
You would have much better luck at Stub Steward State Park when there is no moon this puts the LP of Portland at your back.
About a week ago I happened to take my 8" dob with me to Foster Lake - about 100 miles south of portland and east up into the Cascades - I found this awesome dark spot up in the hills above the lake - the milky way was visible with the naked eye and the moon was about half full - to the north the LP of Portland still crept in and made things difficult to see in the north - the light dome was more obvious but smaller from that far away - but I was surprised that a smallish city 100 miles away could have that much effect on the sky - what a shame
RF
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akemag
professor emeritus
Reged: 10/26/07
Posts: 541
Loc: Sweden
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M51 can be hard, i went thru the same thing with my first 70mm refractor. In that scope it didnt jump out at you.
Low power usually does the trick, i use my 32mm to locate it, and then step up the mag. With the right star charts, and patience, youŽll find it for sure.
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Celestron Omni XLT 120
Celestron Powerseeker 80EQ
Bresser Skylux 70mm
10" GSO DOB
5mm Ortho
6.5mm, 25mm, 32mm Plossl
3.6mm, 10mm, 25mm MA
20mm Erfle
4mm, 10mm, 12mm, 18mm RK20mm Kellner
8mm, 20mm Huygens
1.5-2x Barlow
Orange, Green, Variable Polarizing Moon filter
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ottovonrotton
member
Reged: 01/01/09
Posts: 65
Loc: Where is Port Perry?
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I to have gone after this, I used an 80mm scope with 25mm eyepiece to spot or starhop. Couldn't see it but when I looked in my 127mm/1200 with 15mm eyepiece and saw what I would call a very faint rose shape snowball. let the eyes relax and after a couple of seconds I saw it and its companion. I took several tries over the last couple of years. besides dark skies you need a little apiture and focal length, Perfect for a reflector or long refractor
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Go Modern, Go Gas, Go Bang!
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Man in a Tub
Not Retired!, But a little cranky!!!
Reged: 10/28/08
Posts: 2054
Loc: San Francisco, CA
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Everyone has a unique way of finding DS0s. This year I've been able to add M51 to my modest accomplishments with binoculars in light-polluted skies. Here's what I do.
The image attachment is a screenshot from Stellarium with some labeling and lines done in Photoshop. The triangle is my guide to M51. The triangle and M51 fit a 2° FOV easily.
Clear Skies!
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Todd
Brunton Eterna 15x51 ° Garrett Optical Signature Series 15x70
Nikon Action EX 12x50 ° Oberwerk 15x60 and 20x80 Standard
Orion Paragon Plus Mount and Paragon XHD Tripod
Garrett Optical Series 2000 Grip-Action Monopod
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