Celestial hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  112 Tau)  ·  112 bet Tau  ·  118 Tau  ·  121 Tau  ·  125 Tau  ·  132 Tau  ·  26 Aur  ·  Alnath  ·  El Nath (β Tau  ·  HD243264  ·  HD243268  ·  HD243279  ·  HD243280  ·  HD243281  ·  HD243290  ·  HD243291  ·  HD243292  ·  HD243293  ·  HD243307  ·  HD243308  ·  HD243311  ·  HD243314  ·  HD243327  ·  HD243330  ·  HD243332  ·  HD243345  ·  HD243347  ·  HD243361  ·  HD243364  ·  HD243365  ·  And 938 more.
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Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou
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Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer

Getting plate-solving status, please wait...
Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou
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Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer

Equipment

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Acquisition details

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Description

A new trial with Takumar SMC 135mm f/3.5 on a faint and difficult target: Simeis 147

In fact I could keep only 33 subs x 90" on a total of 160 subs planned. Medium clouds have occupied the entire sky after 3/4 hour....so, no trace of Simeis 147 in this image !

Takumar lens SMC 135mm f/3.5 open f/4.0
ISO 400

SIRIL 1.0.0 stacking drizzle x 2

Comments

Revisions

  • Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou
    Original
  • Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou
    B
  • Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou
    C
  • Final
    Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou
    D

B

Description: New stars colors treatment with Photoshop CS2

Uploaded: ...

C

Description: Levels and stars colors adjustment.

Uploaded: ...

D

Description: New image treatment: levels, colors

Uploaded: ...

Sky plot

Sky plot

Histogram

Elnath surrounds wide field / Pentax K5 mod + Takumar 135mm f/3.5 / SW star adventurer, patrick cartou