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    I've used Aladin for years and have always found...

    I've used Aladin for years and have always found it intuitively obvious. In fact, I give a talk on astronomical resources that includes Aladin as a major asset. The PowerPoint presentation is given...
  2. 105/610mm apo, 47x Small, faint but obvious,...

    105/610mm apo, 47x
    Small, faint but obvious, some brightening toward the center.

    130/819mm apo
    37x: Fairly small and faint, but grows brighter toward the center.
    117x: A pair of extremely faint...
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    The paper being submitted to Nature says: The...

    The paper being submitted to Nature says:
    The total magnitude of NGC1052–DF2 is V606 = −15.4, and the total luminosity is Lv = 1.1x10^8 Lsun
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    NGC 1052-DF2

    I almost sent this yesterday, but I'm visiting relatives and haven't had a chance to read the relevant papers. So, I have no idea whether Jimi could see this, but it shows in MegaStar. This gained...
  5. Thread: HaTr 5

    by Sue French
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    2,314

    HaTr 5

    With all the hoopla about Nova Sco 1437, has anyone been able to see its nebula?
    HaTr 5
    PK 343-0 1
    PN G343.3-0.6
    RA: 17h 01.467m
    Dec: -43° 05.92'
    Size: 2.0'
  6. Thread: M 1-77

    by Sue French
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    George Jacoby suggests that it may be a very...

    George Jacoby suggests that it may be a very dense, dusty object so that the usual ionization lines aren't appearing (or not very strongly). He also suggests that even with a spectrum sometimes you...
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    I can see at least the core of IC 1296 in my...

    I can see at least the core of IC 1296 in my 14.5-inch under good conditions, but its a tough catch.
  8. Thread: M 1-77

    by Sue French
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    M 1-77

    For the past 15 years, Ive been trying to see the planetary nebula PN G 089.3-02.2 (Minkowski 1-77, PK 89-2 1). It looks like a star through everything at any power. Well, there were a couple...
  9. 254/1494mm Newt 22mm Nagler: Dolidze 8 is a 5′ ×...

    254/1494mm Newt
    22mm Nagler: Dolidze 8 is a 5′ × 2′ collection of 11 fairly bright to faint stars, elongated SE-NW with nebulosity engulfing 3 of the brightest stars, which lie in the NW part of the...
  10. This is with a 15-inch Obsession at 247x.2230

    This is with a 15-inch Obsession at 247x.2230
  11. I observed these several years ago, and have...

    I observed these several years ago, and have pulled their log cards for articles every time I do the area. But I always wondered if anybody would even care. At the moment, they are tentatively...
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    9-23-03 254/1494mm Newt 22mm Nagler: I could...

    9-23-03 254/1494mm Newt
    22mm Nagler: I could not find this without a filter, but it popped right out when I added an OIII. Once identified, I removed the filter and could faintly see the object...
  13. Here's my sketch from a few years ago. 2212

    Here's my sketch from a few years ago.
    2212
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    Here's a sketch of NGC 7027 through my 15-inch at...

    Here's a sketch of NGC 7027 through my 15-inch at 345x.
  15. Thread: Leo 1

    by Sue French
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    That was the 105mm protoype of the AP Traveler,...

    That was the 105mm protoype of the AP Traveler, which is what pretty much everything in Celestial Sampler was done with unless otherwise stated. Thanks for the kind words, Sue
  16. Thread: Sh2-175

    by Sue French
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    Sh2-175

    Has anyone observed Sh 2-175 in Cassiopeia in recent history? A gentleman wrote to me saying that although this was visible to him in the past, he can no longer spot it in small or large scopes, at...
  17. Thread: M 60-ucd 1

    by Sue French
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    For what it's worth, NOMAD give a visual...

    For what it's worth, NOMAD give a visual magnitude of 16.6.

    Sue
  18. Thread: Leo 1

    by Sue French
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    Preston, Sorry for the late reply. I...

    Preston,

    Sorry for the late reply.

    I covered Leo I when I was writing Small Scope Sampler, hence it's in the first book, Celestial Sampler. Here's the text:
    Next we'll move to the end of...
  19. Thread: Ngc 2281

    by Sue French
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    Victor, Thank you kindly for the observations....

    Victor,

    Thank you kindly for the observations. I retrieved images of the diamond in some non-visual wavelengths where the stars aren't so overexposed and saw nothing near the westernmost star nor...
  20. Thread: Ngc 2281

    by Sue French
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    Mark, MegaStar often places a double star...

    Mark,

    MegaStar often places a double star marker on the wrong star in a cluster. I suspect they used truncated coordinates, whatever WDS listed back then, and then picked the cloest star of about...
  21. Thread: Ngc 2281

    by Sue French
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    Ngc 2281

    Folks,

    At one of our club's star parties this week, someone asked me about the star cluster NGC 2218 in Auriga. His SkySafari has, word for word, the description in the Night Sky Observer's...
  22. The center of Maffei 1 is visible in a 105mm...

    The center of Maffei 1 is visible in a 105mm scope at 87x with averted vision.

    Sue
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    Use the Aladin Sky Atlas online or download it to...

    Use the Aladin Sky Atlas online or download it to your computer. Call up an image of the area of interest. Choose VizieR -> Photometry to see catalogs that cover the area. Overlay catalogs onto...
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    Mark, I've logged Abell 4 on two occasions,...

    Mark,

    I've logged Abell 4 on two occasions, with a 10-inch. Here are the observations.

    12-20-06, 8:20 pm EST, 254/1494mm Newtonian, Seeing: poor, Transparency: poor
    166x with UHC filter:...
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    2MFGC 02191 has a J magnitude of 13.517 within an...

    2MFGC 02191 has a J magnitude of 13.517 within an ellipse whose semi-major axis is 14.9” [The 2MASS Extended sources (IPAC/UMass, 2003-2006) VII/233/xsc ] and 13.48 in a ”fiducial elliptical Kron...
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